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Code Releases Activity

Better support for /31 networks.

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This commit is contained in:
Ondrej Zajicek
2010-04-28 00:39:57 +02:00
parent 48b0814ace
commit ba32170657
8 changed files with 33 additions and 22 deletions
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14
lib/ip.c
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@@ -150,18 +150,6 @@ void ipa_ntoh(ip_addr x) { DUMMY }
*/
int ipa_classify(ip_addr x) { DUMMY }
/**
* ipa_opposite - return address of point-to-point neighbor
* @x: IP address of our end of the link
* @pxlen: network prefix length
*
* ipa_opposite() returns an address of the opposite end of a numbered
* point-to-point link.
*
* This function is available in IPv4 version only.
*/
ip_addr ipa_opposite(ip_addr x, int pxlen) { DUMMY }
/**
* ipa_class_mask - guess netmask according to address class
* @x: IP address
@@ -172,7 +160,7 @@ ip_addr ipa_opposite(ip_addr x, int pxlen) { DUMMY }
* routing protocols transferring no prefix lengths nor netmasks
* and this function could be useful to them.
*/
ip_addr ipa_classify(ip_addr x) { DUMMY }
ip_addr ipa_class_mask(ip_addr x) { DUMMY }
/**
* ipa_from_u32 - convert IPv4 address to an integer

3
lib/ipv4.h
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@@ -56,7 +56,8 @@ typedef u32 ip_addr;
#define ipa_ntoh(x) x = _MI(ntohl(_I(x)))
#define ipa_classify(x) ipv4_classify(_I(x))
#define ipa_has_link_scope(x) ipv4_has_link_scope(_I(x))
#define ipa_opposite(x,len) _MI(_I(x) ^ (len == 30 ? 3 : 1))
#define ipa_opposite_m1(x) _MI(_I(x) ^ 1)
#define ipa_opposite_m2(x) _MI(_I(x) ^ 3)
#define ipa_class_mask(x) _MI(ipv4_class_mask(_I(x)))
#define ipa_from_u32(x) _MI(x)
#define ipa_to_u32(x) _I(x)

4
lib/ipv6.h
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@@ -62,7 +62,9 @@ typedef struct ipv6_addr {
#define ipa_ntoh(x) ipv6_ntoh(&(x))
#define ipa_classify(x) ipv6_classify(&(x))
#define ipa_has_link_scope(x) ipv6_has_link_scope(&(x))
/* ipa_opposite and ipa_class_mask don't make sense with IPv6 */
#define ipa_opposite_m1(x) ({ ip_addr _a=(x); _MI(_I0(_a),_I1(_a),_I2(_a),_I3(_a) ^ 1); })
#define ipa_opposite_m2(x) ({ ip_addr _a=(x); _MI(_I0(_a),_I1(_a),_I2(_a),_I3(_a) ^ 3); })
/* ipa_class_mask don't make sense with IPv6 */
/* ipa_from_u32 and ipa_to_u32 replaced by ipa_build */
#define ipa_build(a,b,c,d) _MI(a,b,c,d)
#define ipa_compare(x,y) ipv6_compare(x,y)